DE69128650D1 - PHOTOCHROME NAPHTOPYRAN DERIVATIVES - Google Patents

PHOTOCHROME NAPHTOPYRAN DERIVATIVES

Info

Publication number
DE69128650D1
DE69128650D1 DE69128650T DE69128650T DE69128650D1 DE 69128650 D1 DE69128650 D1 DE 69128650D1 DE 69128650 T DE69128650 T DE 69128650T DE 69128650 T DE69128650 T DE 69128650T DE 69128650 D1 DE69128650 D1 DE 69128650D1
Authority
DE
Germany
Prior art keywords
naphtopyran
photochrome
derivatives
photochrome naphtopyran
naphtopyran derivatives
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69128650T
Other languages
German (de)
Other versions
DE69128650T2 (en
Inventor
Gemert Barry Van
Maria Bergomi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Ohio Inc
Original Assignee
PPG Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Publication of DE69128650D1 publication Critical patent/DE69128650D1/en
Application granted granted Critical
Publication of DE69128650T2 publication Critical patent/DE69128650T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/92—Naphthopyrans; Hydrogenated naphthopyrans
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
DE69128650T 1990-03-07 1991-11-15 PHOTOCHROME NAPHTOPYRAN DERIVATIVES Expired - Lifetime DE69128650T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/490,031 US5066818A (en) 1990-03-07 1990-03-07 Photochromic naphthopyran compounds
PCT/US1991/008544 WO1993010112A1 (en) 1990-03-07 1991-11-15 Photochromic naphthopyran compounds

Publications (2)

Publication Number Publication Date
DE69128650D1 true DE69128650D1 (en) 1998-02-12
DE69128650T2 DE69128650T2 (en) 1998-07-23

Family

ID=27169773

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128650T Expired - Lifetime DE69128650T2 (en) 1990-03-07 1991-11-15 PHOTOCHROME NAPHTOPYRAN DERIVATIVES

Country Status (6)

Country Link
US (1) US5066818A (en)
EP (1) EP0613475B1 (en)
JP (1) JP2533277B2 (en)
CA (1) CA2123500C (en)
DE (1) DE69128650T2 (en)
WO (1) WO1993010112A1 (en)

Families Citing this family (188)

* Cited by examiner, † Cited by third party
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EP0613475A1 (en) 1994-09-07
EP0613475B1 (en) 1998-01-07
JP2533277B2 (en) 1996-09-11
US5066818A (en) 1991-11-19
JPH06510519A (en) 1994-11-24
CA2123500C (en) 2000-08-22
EP0613475A4 (en) 1995-02-08
CA2123500A1 (en) 1993-05-27
WO1993010112A1 (en) 1993-05-27
DE69128650T2 (en) 1998-07-23

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